rulesets and collections

[Alain.Cogghe@electrabel.com]

Hello ,
i am having trouble defining a ruleset in which i would like to check
whether an alert is coming from a specific list of hosts ( which are in a
collection ).

I do a collection query in the ruleset , but what should I put as the
'object ID source ' so that netview would compare the ip-adress of the
sending host with the adresses in the collection ?